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LTM4623 Datasheet

LTM4623 Datasheet

Ultrathin 20VIN, 3A Step-Down DC/DC μModule (Power Module) Regulator
Part No.: LTM4623
Page: 28 Pages
Size: 269 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2024-12-08 15:30:56
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LTM4623 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM4623EV#PBF Tray 260 LTM4623V 3 25 -40°C ~ 125°C 25-Lead LGA (6.25mm x 6.25mm x 1.82mm)  
LTM4623IV#PBF Tray 260 LTM4623V 3 25 -40°C ~ 125°C 25-Lead LGA (6.25mm x 6.25mm x 1.82mm)  
LTM4623EY#PBF Tray 260 LTM4623Y 3 25 -40°C ~ 125°C 25-Lead BGA (6.25mm x 6.25mm x 2.42mm)  
LTM4623IY#PBF Tray 260 LTM4623Y 3 25 -40°C ~ 125°C 25-Lead BGA (6.25mm x 6.25mm x 2.42mm)  
LTM4623IY Tray 260 LTM4623Y 3 25 -40°C ~ 125°C 25-Lead BGA (6.25mm x 6.25mm x 2.42mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM4623 Datasheet(PDF)

LTM4623 Datasheet(Picture)

LTM4623 Features

  • <2mm Height, Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB)
  • Wide Input Voltage Range: 4V to 20V
  • Input Voltage Down to 2.375V with External Bias
  • 0.6V to 5.5V Output Voltage
  • 3A DC Output Current
  • ±1.5% Maximum Total DC Output Voltage Error
  • Current Mode Control, Fast Transient Response
  • Low EMI EN55022 Class B Compliant
  • External Frequency Synchronization
  • Multiphase Operation with Current Sharing
  • Output Voltage Tracking
  • Selectable Discontinuous Mode
  • Power Good Indicator
  • Overvoltage, Overcurrent and Overtemperature Protection
  • Ultrathin (6.25mm × 6.25mm × 1.82mm) LGA Package and (6.25mm × 6.25mm × 2.42mm) BGA Package

LTM4623 Applications

  • PCIe and Backside PCB Mounting
  • Telecom, Datacom, Networking and Industrial Equipment
  • Data Storage Rack Units and Cards

LTM4623 Description

The LTM4623 is a complete 3A step-down switching mode μModule (micromodule) regulator in a tiny ultrathin 6.25mm × 6.25mm × 1.82mm LGA and 6.25mm × 6.25mm × 2.42mm BGA packages. Included in the package are the switching controller, power FETs, inductor and support components. Operating over an input voltage range of 4V to 20V or 2.375V to 20V with an external bias supply, the LTM4623 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. Its high efficiency design delivers 3A continuous output current. Only ceramic input and output capacitors are needed.

The LTM4623 supports selectable discontinuous mode operation and output voltage tracking for supply rail sequencing. Its high switching frequency and current mode control enable a very fast transient response to line and load changes without sacrificing stability.

Fault protection features include overvoltage, overcurrent and overtemperature protection.

The LTM4623 is available with SnPb (BGA) or RoHS compliant terminal finish.

LTM4623 Datasheet Related Parts

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